CN203527225U - Optical fiber end face grinding device - Google Patents
Optical fiber end face grinding device Download PDFInfo
- Publication number
- CN203527225U CN203527225U CN201320549427.8U CN201320549427U CN203527225U CN 203527225 U CN203527225 U CN 203527225U CN 201320549427 U CN201320549427 U CN 201320549427U CN 203527225 U CN203527225 U CN 203527225U
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- abrasive disk
- axis
- rotation
- toothed disc
- hollow shaft
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Abstract
The utility model discloses an optical fiber end face grinding device which comprises a grinding plate, a grinding plate rotation shaft, a connection seat, a gear plate and a grinding plate revolution shaft. The connection seat comprises a tray and a driving rod. The grinding plate rotation shaft is connected with the grinding plate. The grinding plate revolution shaft is located at the axis of the gear plate and connected with the grinding plate rotation shaft through the tray. The grinding plate rotation shaft is connected with a gear in a sleeved mode. The gear is meshed with the gear plate. The grinding plate revolution shaft is driven to revolve and drives the grinding plate to revolve around the grinding plate revolution shaft through the connection seat and the grinding plate rotation shaft. Meanwhile, the gear is meshed with the gear plate and the grinding plate is driven to rotate. The revolution and rotation manners of the grinding plate enable the grinding track of an optical fiber end face to be a multiple-coil spiral line of which the center is the center of the grinding plate and the optical fiber end face which is high in grinding speed and smooth is obtained. The on-spot requirement for optical fiber construction can be met. A first-class gear transmission system is adopted and the optical fiber end face grinding device is simple in structure, accurate in control and low in cost.
Description
Technical field
The utility model relates to technical field of optical fiber communication, relates in particular to a kind of fiber end face mill.
Background technology
Fibre Optical Communication Technology (optical fiber communications) is shown one's talent from the communication technology, has become one of main communication technology of modern communications, plays a part very important in Modern Telecommunication net.At optical fiber, enter in the process (FTTH, Fiber To the Home) of communication terminal, many links need to be ground fiber end face, the needs that connect to meet optical fiber.
In prior art, conventionally in factory inside, complete the end surface grinding of optical fiber, while grinding in factory, will pass through the multiple working procedures such as the grinding of 9um pouncing paper, the grinding of 1um pouncing paper, polishing, length consuming time, efficiency are low, are also unfavorable for meeting the field demand in optical fiber construction process.
Utility model content
The purpose of this utility model is to provide a kind of fiber end face mill, and grinding rate is fast, grinding efficiency is high, can meet the demand at optical fiber construction scene simultaneously.
The utility model is realized by the following technical solutions.
A fiber end face mill, comprises abrasive disk and the abrasive disk axis of rotation, and the abrasive disk axis of rotation connects abrasive disk, also comprises seated, toothed disc and abrasive disk hollow shaft; Seated comprises pallet and drive rod; Abrasive disk hollow shaft is positioned at the axis of toothed disc, and abrasive disk hollow shaft connects the abrasive disk axis of rotation by pallet, and the abrasive disk axis of rotation is socketed with gear, and the abrasive disk axis of rotation meshes by gear and toothed disc.
Wherein, the type of drive of abrasive disk is one-level gear drive.
Preferably, toothed disc is internal tooth wheel disc, and the number of the gear teeth of toothed disc is greater than the number of the gear teeth of the abrasive disk axis of rotation.
Wherein, also comprise box body, the inside of box body is provided with internal partition, and the top of internal partition circumferentially arranges toothed disc holder, and toothed disc connects internal partition by toothed disc holder, and the axis of toothed disc is positioned at the center of internal partition; The middle part of internal partition is provided with via hole, and abrasive disk hollow shaft is through via hole.
Wherein, also comprise upper cover, on the wall body of a side on the top of box body, be provided with ear seat, the couple positioned opposite of the wall body upper ear seat on the top of box body has elasticity arm; Upper cover is provided with supporting leg, and supporting leg is connected by pin with ear seat, and pin is provided with clamping torsion spring; Upper cover is provided with snap fastener, and after upper cover closes, elasticity arm snaps in snap fastener.
Wherein, also comprise fiber bench, fiber bench is arranged at the upper wall body of upper cover.
Preferably, the axis of fiber bench and the axis of abrasive disk are 8 ° of angles.
Preferably, the axis of fiber bench and the axis of abrasive disk are parallel.
Preferably, the axis of fiber bench does not overlap with the axis of abrasive disk, and the axis of fiber bench does not overlap with the axis of abrasive disk hollow shaft.
Wherein, also comprise knob, the top of knob and the clamping of abrasive disk hollow shaft, the bottom of knob arranges the rotating part of S type.
Wherein, the anti-antistructure that also comprises arc; The arranged outside of the bottom rotating part of knob has cylindrical wall, and the arranged outside of cylindrical wall has projection; The middle part of anti-antistructure is articulated on the diapire of box body, and one end of anti-antistructure arranges button, the counnter attack tooth that the other end setting of anti-antistructure is adaptive with projection.
Wherein, also comprise bottom, bottom lower end arranges the opening corresponding with rotating part, and the sidewall of bottom is arranged at the opening that button is corresponding; Bottom connects the diapire of box body.
The utility model also provides a kind of replacement scheme: a kind of fiber end face mill, comprise abrasive disk and the abrasive disk axis of rotation, the abrasive disk axis of rotation connects abrasive disk, also comprise drive rod, toothed disc and abrasive disk hollow shaft, abrasive disk hollow shaft is positioned at the axis of toothed disc, abrasive disk hollow shaft connects the abrasive disk axis of rotation by drive rod, and the abrasive disk axis of rotation arranges the gear teeth, and the abrasive disk axis of rotation meshes by the gear teeth and toothed disc.
The beneficial effects of the utility model are: a kind of fiber end face mill, comprise abrasive disk and the abrasive disk axis of rotation, and the abrasive disk axis of rotation connects abrasive disk, also comprises seated, toothed disc and abrasive disk hollow shaft; Seated comprises pallet and drive rod; Abrasive disk hollow shaft is positioned at the axis of toothed disc, and abrasive disk hollow shaft connects the abrasive disk axis of rotation by pallet, and the abrasive disk axis of rotation is socketed with gear, and the abrasive disk axis of rotation meshes by gear and toothed disc.Drive abrasive disk hollow shaft to rotate, abrasive disk hollow shaft drives abrasive disk to revolve round the sun around abrasive disk hollow shaft by seated, the abrasive disk axis of rotation; Meanwhile, the gear of the abrasive disk axis of rotation and the gear teeth meshing of toothed disc, drive abrasive disk rotation; The rotating manner that abrasive disk revolution adds rotation makes the grinding track of fiber end face become the multi-circle spiral flow line centered by the center of abrasive disk, grinding rate faster, more smooth fiber end face have been obtained, grinding efficiency is high, can meet the field demand of optical fiber construction; Adopt one-level gear train assembly to drive abrasive disk rotation to add revolution, simple in structure, to control accurately, cost is also lower.
Accompanying drawing explanation
For technical scheme clearer, that the utility model embodiment is described effectively, the accompanying drawing of required use in embodiment is briefly described, self-explantoryly be, accompanying drawing in the following describes is only embodiment more of the present utility model, for those skilled in the art, without paying under the prerequisite of creative work, can also make other accompanying drawing according to these accompanying drawings.
Fig. 1 is the explosive view of a kind of joints of optical fibre of the utility model.
Fig. 2 is the structural representation of drives structure at a visual angle of the abrasive disk of a kind of joints of optical fibre of the utility model.
Fig. 3 is the structural representation of drives structure at another visual angle of the abrasive disk of a kind of joints of optical fibre of the utility model.
Fig. 4 is the structural representation of the box body of a kind of joints of optical fibre of the utility model.
Fig. 5 is the structural representation of the upper cover of a kind of joints of optical fibre of the utility model.
Fig. 6 is the structural representation of the upper cover of a kind of joints of optical fibre of the utility model and the syndeton of fiber bench.
Fig. 7 is the structural representation at a visual angle of the upper cover of a kind of joints of optical fibre of the utility model and the syndeton of box body.
Fig. 8 is the structural representation at another visual angle of the upper cover of a kind of joints of optical fibre of the utility model and the syndeton of box body.
Fig. 9 is the structural representation at a visual angle of the knob of a kind of joints of optical fibre of the utility model.
Figure 10 is the structural representation at another visual angle of the knob of a kind of joints of optical fibre of the utility model.
Figure 11 is the structural representation of the anti-antistructure of a kind of joints of optical fibre of the utility model and the syndeton of box body.
Figure 12 is the structural representation of the anti-antistructure of a kind of joints of optical fibre of the utility model.
Figure 13 is the structural representation of a kind of joints of optical fibre of the utility model.
Figure 14 is the structural representation of the seated of a kind of joints of optical fibre of the utility model.
Figure 15 is the structural representation of the grinding track of fiber end face on the abrasive disk of a kind of joints of optical fibre of the utility model.
In figure:
1-abrasive disk; The 2-abrasive disk axis of rotation; 21-gear; 3-drive rod; 4-toothed disc; 5-abrasive disk hollow shaft; 6-box body; 61 internal partitions; 611-toothed disc holder; 612-via hole; 8-pin; 9-clamps torsion spring; 62-ear seat; 63-elasticity arm; 7-upper cover; 71-supporting leg; 72-snap fastener; 10-fiber bench; 11-knob; 111-rotating part; 112-projection; The anti-antistructure of 12-; 121-button; 122-counnter attack tooth; 13-seated; 131-pallet; 14-bottom.
The specific embodiment
The utility model provides a kind of fiber end face mill, in order to make, those of skill in the art are clearer understands the utility model scheme, and make the above-mentioned object of the utility model, feature, beneficial effect can more understand, understandable, below in conjunction with accompanying drawing 1-15 and the specific embodiment, the utility model is described in further detail.
Embodiment mono-
Refer to Fig. 1～3.A fiber end face mill, comprises abrasive disk 1 and the abrasive disk axis of rotation 2, and the abrasive disk axis of rotation 2 connects abrasive disk 1, also comprises seated 13, toothed disc 4 and abrasive disk hollow shaft 5; Seated 13 comprises pallet 131 and drive rod 3; Abrasive disk hollow shaft 5 is positioned at the axis of toothed disc 4, and abrasive disk hollow shaft 5 connects the abrasive disk axis of rotation 2 by pallet 131, and the abrasive disk axis of rotation 2 is socketed with gear 21, and the abrasive disk axis of rotation 2 is by gear 21 and toothed disc 4 engagements.
The type of drive of abrasive disk 1 is one-level gear drive, adopts one-level gear train assembly to drive abrasive disk rotation to add revolution, simple in structure, controls accurately, and cost is also lower.
Refer to Fig. 2～3.Toothed disc 4 is internal tooth wheel disc, has reduced to greatest extent the volume of this mill, can make the diameter of the mill of product be less than 100mm, can meet workmen's the demand of carrying.The number of the gear teeth of toothed disc 4 is greater than the number of the gear teeth of the abrasive disk axis of rotation 2, has guaranteed that the rotational velocity of abrasive disk 1 is greater than the revolution speed of abrasive disk 1, has guaranteed that the grinding track of fiber end face on abrasive disk 1 is the helix that splashes, gradually closes.Meanwhile, can better control the utilization rate of pouncing paper, the pouncing paper that the same grinding track line length needs is less.
Refer to Figure 15.Moving abrasive disk hollow shaft 5 rotates, and abrasive disk hollow shaft 5 drives abrasive disk 1 around 5 revolution of abrasive disk hollow shaft by seated 13, the abrasive disk axis of rotation 2; Meanwhile, the gear teeth meshing of gear 21 and toothed disc 4, drives abrasive disk 1 rotation; The rotating manner that abrasive disk 1 revolution adds rotation makes the grinding track of fiber end face become the multi-circle spiral flow line centered by the center of abrasive disk 1, grinding rate faster, more smooth fiber end face have been obtained, grinding efficiency is high, can meet the field demand of optical fiber construction; More than the return loss of gained connector can reach 60dB, fiber end face quality is high.
In Figure 15, the front half cycle grinding track that mill hollow shaft 5 rotates is the helix splashing; The second half grinding track rotating at mill hollow shaft 5 is to spatter the helix closing.
Refer to Fig. 4.In the present embodiment, also comprise box body 6, the inside of box body 6 is provided with internal partition 61, and the top of internal partition 61 circumferentially arranges toothed disc holder 611, and toothed disc 4 connects internal partition 61 by toothed disc holder 611, and the axis of toothed disc 4 is positioned at internal partition 61 center; The middle part of internal partition 61 is provided with via hole 612, and abrasive disk hollow shaft 5 is through via hole 612.Toothed disc holder 611 is three, all not in the outside of via hole 612; Toothed disc holder 611 is provided with screwed hole, is provided with the hole corresponding with the screwed hole of toothed disc holder 611 on the disk body of toothed disc 4, uses bolt that toothed disc 4 is fixed on toothed disc holder 611.
Refer to Fig. 5～8.In the present embodiment, also comprise upper cover 7, on the wall body of a side on the top of box body 6, be provided with ear seat 62, the couple positioned opposite of the wall body upper ear seat 62 on the top of box body 6 has elasticity arm 63; Upper cover 7 is provided with supporting leg 71, and supporting leg 71 is connected by pin 8 with ear seat 62, and pin 8 is provided with clamping torsion spring 9; Upper cover 7 is provided with snap fastener 72, and after upper cover 7 closes, elasticity arm 63 snaps in snap fastener 72.
At upper cover 7, under closure state, clamping torsion spring 9, in compressive state, is gently pressed elasticity arm 63, elasticity arm 63 departs from the constraint of snap fastener 72, upper cover 7 just can be opened under the elastic force of garter spring 9, and the opening ways of upper cover 7 is unique, has avoided workmen's maloperation.
In the present embodiment, also comprise fiber bench 10, fiber bench 10 is arranged at the upper wall body of upper cover, and the axis of the axis of fiber bench 10 and abrasive disk 1 is 8 ° of angles, and the axis that can obtain abradant surface and optical fiber is the inclined-plane of 8 °, meets the connection requirement of APC connector.The axis of fiber bench 10 does not overlap with the axis of abrasive disk hollow shaft 5.
As alternative, the axis of fiber bench 10 also can not overlap with the axis of abrasive disk 1 and the axis of fiber bench 10 parallel with the axis of abrasive disk 1, now, the axis of fiber bench 10 does not overlap with the axis of abrasive disk hollow shaft 5, and the axis of fiber bench 10 is parallel with the axis of abrasive disk hollow shaft 5, to meet the connection requirement of UPC connector.
Refer to Fig. 9～11.In the present embodiment, also comprise knob 11, the top of knob 11 and 5 clampings of abrasive disk hollow shaft, the bottom of knob 11 arranges the rotating part 111 of S type.The rotating part 111 that people's finger can operate S type drives 5 revolution of abrasive disk hollow shaft, has realized passive operation, is convenient to the speed that Artificial Control is ground.The rotating part 111 of S type is simple in structure, is convenient to the manufacture of mould.
Refer to Figure 12～13.In the present embodiment, also comprise the anti-antistructure 12 of arc; The arranged outside of the bottom rotating part 111 of knob 11 has cylindrical wall, and the arranged outside of cylindrical wall has projection 112; The middle part of anti-antistructure 12 is articulated on the diapire of box body 6, and one end of anti-antistructure 12 arranges button 121, the other end setting of anti-antistructure 12 and the counnter attack tooth 122 of protruding 112 adaptations.Along the direction of rotation of cylindrical wall, projection 112 one side is inclined-plane, and the another side of projection 112 is vertical plane, and counnter attack tooth 122 face that advances is inclined-plane, and the inner side of counnter attack tooth 122 is vertical plane.
Also comprise bottom 14, bottom 14 lower ends arrange the opening corresponding with rotating part 111, and the sidewall of bottom 14 is arranged at the opening of button 121 correspondences; Bottom 14 connects the diapire of box body 6.The position convenient construction personnel that arrange of button 121 operate, and are convenient to control the grinding number of turns of optical fiber.
Embodiment bis-
Refer to Fig. 1, Figure 14.A kind of fiber end face mill, comprise abrasive disk 1 and the abrasive disk axis of rotation 2, the abrasive disk axis of rotation 2 connects abrasive disk 1, also comprise drive rod 3, toothed disc 4 and abrasive disk hollow shaft 5, abrasive disk hollow shaft 5 is positioned at the axis of toothed disc 4, abrasive disk hollow shaft 5 connects the abrasive disk axis of rotation 2 by drive rod 3, and the abrasive disk axis of rotation 2 arranges the gear teeth, and the abrasive disk axis of rotation 2 is by the gear teeth and toothed disc 4 engagements.
In the present embodiment, other position is identical with embodiment mono-.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (10)
1. a fiber end face mill, comprises abrasive disk (1) and the abrasive disk axis of rotation (2), and the abrasive disk axis of rotation (2) connects abrasive disk (1), it is characterized in that, also comprises seated (13), toothed disc (4) and abrasive disk hollow shaft (5); Described seated (13) comprises pallet (131) and drive rod (3); Described abrasive disk hollow shaft (5) is positioned at the axis of toothed disc (4), abrasive disk hollow shaft (5) connects the abrasive disk axis of rotation (2) by pallet (131), the described abrasive disk axis of rotation (2) is socketed with gear (21), and the described abrasive disk axis of rotation (2) is by gear (21) and toothed disc (4) engagement.
2. mill as claimed in claim 1, is characterized in that, the type of drive of described abrasive disk (1) is one-level gear drive.
3. mill as claimed in claim 2, is characterized in that, described toothed disc (4) is internal tooth wheel disc, and the number of the gear teeth of described toothed disc (4) is greater than the number of the gear teeth of the described abrasive disk axis of rotation (2).
4. mill as claimed in claim 3, it is characterized in that, also comprise box body (6), the inside of described box body (6) is provided with internal partition (61), the top of described internal partition (61) circumferentially arranges toothed disc holder (611), described toothed disc (4) connects internal partition (61) by toothed disc holder (611), and the axis of described toothed disc (4) is positioned at the center of described internal partition (61); The middle part of described internal partition (61) is provided with via hole (612), and described abrasive disk hollow shaft (5) is through described via hole (612).
5. mill as claimed in claim 4, it is characterized in that, also comprise upper cover (7), be provided with ear seat (62) on the wall body of a side on the top of described box body (6), the couple positioned opposite of the wall body upper ear seat (62) on the top of described box body (6) has elasticity arm (63); Described upper cover (7) is provided with supporting leg (71), and supporting leg (71) is connected by pin (8) with ear seat (62), and pin (8) is provided with clamping torsion spring (9); Described upper cover (7) is provided with snap fastener (72), and after upper cover (7) closes, elasticity arm (63) snaps in snap fastener (72).
6. mill as claimed in claim 5, is characterized in that, also comprises fiber bench (10), and described fiber bench (10) is arranged at the upper wall body of described upper cover (7), and the axis of the axis of described fiber bench (10) and described abrasive disk (1) is 8 ° of angles.
7. mill as claimed in claim 6, is characterized in that, the axis of described fiber bench (10) does not overlap with the axis of described abrasive disk hollow shaft (5).
8. mill as claimed in claim 5, is characterized in that, also comprises fiber bench (10), and described fiber bench (10) is arranged at the upper wall body of described upper cover (7), and the axis of described fiber bench (10) is parallel with the axis of described abrasive disk (1).
9. mill as claimed in claim 8, is characterized in that, the axis of described fiber bench (10) does not overlap with the axis of described abrasive disk hollow shaft (5).
10. a fiber end face mill, comprise abrasive disk (1) and the abrasive disk axis of rotation (2), the abrasive disk axis of rotation (2) connects abrasive disk (1), it is characterized in that, also comprise drive rod (3), toothed disc (4) and abrasive disk hollow shaft (5), described abrasive disk hollow shaft (5) is positioned at the axis of toothed disc (4), abrasive disk hollow shaft (5) connects the abrasive disk axis of rotation (2) by drive rod (3), the described abrasive disk axis of rotation (2) arranges the outer gear teeth, and the described abrasive disk axis of rotation (2) is by the outer gear teeth and toothed disc (4) engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549427.8U CN203527225U (en) | 2013-09-04 | 2013-09-04 | Optical fiber end face grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549427.8U CN203527225U (en) | 2013-09-04 | 2013-09-04 | Optical fiber end face grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203527225U true CN203527225U (en) | 2014-04-09 |
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ID=50413486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320549427.8U Expired - Lifetime CN203527225U (en) | 2013-09-04 | 2013-09-04 | Optical fiber end face grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203527225U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104302445A (en) * | 2014-07-02 | 2015-01-21 | 深圳日海通讯技术股份有限公司 | Fiber end face grinder |
| CN104759979A (en) * | 2015-04-27 | 2015-07-08 | 四川天邑康和通信股份有限公司 | Grinding technology based on embedded type quick connector ceramic inserting core |
| CN104865643A (en) * | 2015-05-27 | 2015-08-26 | 成都美美通信技术有限公司 | Fiber termination polishing tool |
| CN104858774A (en) * | 2015-05-27 | 2015-08-26 | 成都美美通信技术有限公司 | Grinding device for end of optical fiber |
| CN105125140A (en) * | 2015-09-25 | 2015-12-09 | 江苏美的清洁电器股份有限公司 | Intelligent cleaner and driving wheel therefor |
| WO2016000277A1 (en) * | 2014-07-02 | 2016-01-07 | 深圳日海通讯技术股份有限公司 | Fiber end-surface grinder |
| CN113458887A (en) * | 2020-03-31 | 2021-10-01 | 广东博智林机器人有限公司 | Polishing mechanism and polishing device with same |
| CN113618619A (en) * | 2021-08-16 | 2021-11-09 | 陈伟 | Optical fiber grinding machine for optical fiber connection |
| CN113910089A (en) * | 2021-11-08 | 2022-01-11 | 宁波工程学院 | Mechatronic burnishing device |
| CN114523413A (en) * | 2022-01-28 | 2022-05-24 | 华为技术有限公司 | Optical fiber grinding device |
-
2013
- 2013-09-04 CN CN201320549427.8U patent/CN203527225U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016000277A1 (en) * | 2014-07-02 | 2016-01-07 | 深圳日海通讯技术股份有限公司 | Fiber end-surface grinder |
| US9757839B2 (en) | 2014-07-02 | 2017-09-12 | Sunsea Telecommunications Co., Ltd. | Grinder for grinding end face of fiber |
| CN104302445A (en) * | 2014-07-02 | 2015-01-21 | 深圳日海通讯技术股份有限公司 | Fiber end face grinder |
| JP2017525997A (en) * | 2014-07-02 | 2017-09-07 | 深▲せん▼日海通訊技術股▲ふん▼有限公司 | Optical fiber end face polishing machine |
| CN104759979A (en) * | 2015-04-27 | 2015-07-08 | 四川天邑康和通信股份有限公司 | Grinding technology based on embedded type quick connector ceramic inserting core |
| CN104858774A (en) * | 2015-05-27 | 2015-08-26 | 成都美美通信技术有限公司 | Grinding device for end of optical fiber |
| CN104865643A (en) * | 2015-05-27 | 2015-08-26 | 成都美美通信技术有限公司 | Fiber termination polishing tool |
| CN105125140A (en) * | 2015-09-25 | 2015-12-09 | 江苏美的清洁电器股份有限公司 | Intelligent cleaner and driving wheel therefor |
| CN113458887A (en) * | 2020-03-31 | 2021-10-01 | 广东博智林机器人有限公司 | Polishing mechanism and polishing device with same |
| CN113618619A (en) * | 2021-08-16 | 2021-11-09 | 陈伟 | Optical fiber grinding machine for optical fiber connection |
| CN113910089A (en) * | 2021-11-08 | 2022-01-11 | 宁波工程学院 | Mechatronic burnishing device |
| CN113910089B (en) * | 2021-11-08 | 2022-10-25 | 宁波工程学院 | Mechatronic burnishing device |
| CN114523413A (en) * | 2022-01-28 | 2022-05-24 | 华为技术有限公司 | Optical fiber grinding device |
| CN114523413B (en) * | 2022-01-28 | 2023-11-03 | 华为技术有限公司 | Optical fiber grinding device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |